--- hargyllcms-1.7.0/lib/Makefile.am.orig	2015-05-01 16:28:48.000000000 +0200
+++ hargyllcms-1.7.0/lib/Makefile.am	2015-06-28 13:16:14.816862902 +0200
@@ -90,6 +90,7 @@
 	../icc/libargyllicc.la					\
 	$(TIFF_LIBS)						\
 	$(JPEG_LIBS)						\
+	$(PNG_LIBS)						\
 	$(DLOPEN_LIBS)						\
 	$(X_LIBS)						\
 	-lrt							\